// Parameter value feeds unmodified into a top level indirect
	// function call (assumes parameter is of function type).
	ParamFeedsIndirectCall

	// Parameter value feeds unmodified into an indirect function call
	// that is conditional/nested (not guaranteed to execute). Assumes
	// parameter is of function type.
	ParamMayFeedIndirectCall

	// Parameter value feeds unmodified into a top level "switch"

		}

		return 1
	}

	val := 0
	for i := 0; i < iter; i++ {
		m := m1
		if i%10 == 0 {
			m = m2
		}

		// N.B. Profiles only distinguish calls on a per-line level,
		// making the two calls ambiguous. However because the
		// interfaces and implementations are mutually exclusive,
		// devirtualization can still select the correct callee for
		// each.
		//

)

type Tracer struct {
	Logger logger.Interface
	Test   func(ctx context.Context, begin time.Time, fc func() (sql string, rowsAffected int64), err error)
}

func (S Tracer) LogMode(level logger.LogLevel) logger.Interface {
	return S.Logger.LogMode(level)
}

func (S Tracer) Info(ctx context.Context, s string, i ...interface{}) {
	S.Logger.Info(ctx, s, i...)
}

func (S Tracer) Warn(ctx context.Context, s string, i ...interface{}) {

func (sym *Sym) IsBlank() bool {
	return sym != nil && sym.Name == "_"
}

// Deprecated: This method should not be used directly. Instead, use a
// higher-level abstraction that directly returns the linker symbol
// for a named object. For example, reflectdata.TypeLinksym(t) instead
// of reflectdata.TypeSym(t).Linksym().
func (sym *Sym) Linksym() *obj.LSym {
	abi := obj.ABI0

	"cmd/asm/internal/flags"
	"cmd/internal/objabi"
	"cmd/internal/src"
)

// A Tokenizer is a simple wrapping of text/scanner.Scanner, configured
// for our purposes and made a TokenReader. It forms the lowest level,
// turning text from readers into tokens.
type Tokenizer struct {
	tok  ScanToken
	s    *scanner.Scanner
	base *src.PosBase
	line int
	file *os.File // If non-nil, file descriptor to close.
}

// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Package flags implements top-level flags and the usage message for the assembler.
package flags

import (
	"cmd/internal/obj"
	"cmd/internal/objabi"
	"flag"
	"fmt"
	"os"
	"path/filepath"
	"strings"
)

var (

	case *Const:
		check.decl = d // new package-level const decl
		check.constDecl(obj, d.vtyp, d.init, d.inherited)
	case *Var:
		check.decl = d // new package-level var decl
		check.varDecl(obj, d.lhs, d.vtyp, d.init)
	case *TypeName:
		// invalid recursive types are detected via path
		check.typeDecl(obj, d.tdecl, def)
		check.collectMethods(obj) // methods can only be added to top-level types
	case *Func:

func T_exitinexpr(x int) {
	// This function does indeed unconditionally call exit, since the
	// first thing it does is invoke exprcallsexit, however from the
	// perspective of this function, the call is not at the statement
	// level, so we'll wind up missing it.
	if exprcallsexit(x) < 0 {
		println("foo")
	}
}

// funcflags.go T_select_noreturn 297 0 1
// Flags FuncPropNeverReturns
// <endpropsdump>

// Sparse Conditional Constant Propagation
//
// Described in
// Mark N. Wegman, F. Kenneth Zadeck: Constant Propagation with Conditional Branches.
// TOPLAS 1991.
//
// This algorithm uses three level lattice for SSA value
//
//      Top        undefined
//     / | \
// .. 1  2  3 ..   constant
//     \ | /
//     Bottom      not constant
//

	po             []*Block
	sdom           SparseTree
	loops          []*loop
	hasIrreducible bool // TODO current treatment of irreducible loops is very flaky, if accurate loops are needed, must punt at function level.

	// Record which of the lazily initialized fields have actually been initialized.
	initializedChildren, initializedDepth, initializedExits bool
}

func min8(a, b int8) int8 {
	if a < b {
		return a
	}